P2091

DTC P2091 EXHAUST CAMSHAFT POSITION ACTUATOR CONTROL CIRCUIT HIGH (BANK 1)

1. OUTLINE OF DIAGNOSIS
Detect short circuit of oil flow control solenoid valve.
Judge as short NG when the current is large even though the duty signal is small.

2. ENABLE CONDITION






3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.

4. DIAGNOSTIC METHOD

- Abnormality Judgement
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG. Judgement Value






Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

- Normality Judgement
Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.